Script for warming up the cache
Cache also 3 pages
Use per_page from config file
Cache almost every data set per page
Merge branch 'master' into issue-warm-cache
Include app.id
update cache with statistics
Merge branch 'master' into issue-warm-cache
Store the values in Redis eventhough is disabled

This allows us to have always a fresh copy of the data in the CACHE. Moreover,
thanks to warm.py script you can always have a fresh version of the data in the
cache, that can be served by the server without problems.
Compute key first
Disable cache, so we can upsert the values
Add a default configuration for cache
Check for a local configuration, otherwise use default
Skip apps that have been already analyzed.
Fix import path
Add default timeout to 300
Merge pull request #772 from PyBossa/issue-warm-cache

Script for warming up the cache